No problem, we've got 5855 and 7794 to multiply
5855 × 7794 = 7794 × (5855)
+ 7794 × 5 what gives us 38970
+ 7794 × 50 which equals 389700
+ 7794 × 800 resulting in 6235200
+ 7794 × 5000 that equals 38970000

= 45633870
